//===------ PPCDisassembler.cpp - Disassembler for PowerPC ------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "MCTargetDesc/PPCMCTargetDesc.h" #include "TargetInfo/PowerPCTargetInfo.h" #include "llvm/MC/MCDecoderOps.h" #include "llvm/MC/MCDisassembler/MCDisassembler.h" #include "llvm/MC/MCInst.h" #include "llvm/MC/MCSubtargetInfo.h" #include "llvm/MC/TargetRegistry.h" #include "llvm/Support/Endian.h" usingnamespacellvm; DEFINE_PPC_REGCLASSES #define DEBUG_TYPE … DecodeStatus; namespace { class PPCDisassembler : public MCDisassembler { … }; } // end anonymous namespace static MCDisassembler *createPPCDisassembler(const Target &T, const MCSubtargetInfo &STI, MCContext &Ctx) { … } static MCDisassembler *createPPCLEDisassembler(const Target &T, const MCSubtargetInfo &STI, MCContext &Ctx) { … } extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializePowerPCDisassembler() { … } static DecodeStatus decodeCondBrTarget(MCInst &Inst, unsigned Imm, uint64_t /*Address*/, const MCDisassembler * /*Decoder*/) { … } static DecodeStatus decodeDirectBrTarget(MCInst &Inst, unsigned Imm, uint64_t /*Address*/, const MCDisassembler * /*Decoder*/) { … } // FIXME: These can be generated by TableGen from the existing register // encoding values! template <std::size_t N> static DecodeStatus decodeRegisterClass(MCInst &Inst, uint64_t RegNo, const MCPhysReg (&Regs)[N]) { … } static DecodeStatus DecodeCRRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeCRBITRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeF4RCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeF8RCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeFpRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVFRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVRRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVSRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVSFRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeVSSRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeGPRC_NOR0RegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeG8RCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeG8pRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeG8RC_NOX0RegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } #define DecodePointerLikeRegClass0 … #define DecodePointerLikeRegClass1 … static DecodeStatus DecodeSPERCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeACCRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus DecodeWACCRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { … } static DecodeStatus DecodeWACC_HIRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { … } // TODO: Make this function static when the register class is used by a new // instruction. DecodeStatus DecodeDMRROWRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { … } static DecodeStatus DecodeDMRROWpRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { … } static DecodeStatus DecodeDMRRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { … } // TODO: Make this function static when the register class is used by a new // instruction. DecodeStatus DecodeDMRpRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const void *Decoder) { … } static DecodeStatus DecodeVSRpRCRegisterClass(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } #define DecodeQSRCRegisterClass … #define DecodeQBRCRegisterClass … template <unsigned N> static DecodeStatus decodeUImmOperand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } template <unsigned N> static DecodeStatus decodeSImmOperand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeImmZeroOperand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeVSRpEvenOperands(MCInst &Inst, uint64_t RegNo, uint64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeDispRIXOperand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeDispRIHashOperand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeDispRIX16Operand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeDispSPE8Operand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeDispSPE4Operand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeDispSPE2Operand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } static DecodeStatus decodeCRBitMOperand(MCInst &Inst, uint64_t Imm, int64_t Address, const MCDisassembler *Decoder) { … } #include "PPCGenDisassemblerTables.inc" DecodeStatus PPCDisassembler::getInstruction(MCInst &MI, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t Address, raw_ostream &CS) const { … }
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